<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>{% block title %}{% endblock %}</title>
    <link rel="stylesheet" href="{{ url_for('static',filename='bootstrap/bootstrap@4.6.min.css') }}">
    <link rel="stylesheet" href="{{ url_for('static',filename='css/init.css') }}">
    {% block head %}{% endblock %}
</head>
<body>
<nav class="navbar navbar-expand-lg navbar-light bg-light">
    <div class="container">
        <a class="navbar-brand" href="#">知了问答</a>
        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent"
                aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
            <span class="navbar-toggler-icon"></span>
        </button>
        <div class="collapse navbar-collapse" id="navbarSupportedContent">
            <ul class="navbar-nav mr-auto">
                <li class="nav-item active">
                    <a class="nav-link" href="/">首页<span class="sr-only">(current)</span></a>
                </li>
                <li class="nav-item active">
                    <a class="nav-link" href="{{ url_for('qa.public_question') }}">发布问答</a>
                </li>
                <li class="nav-item ml-2">
                    <form class="form-inline my-2 my-lg-0" method="GET" action="{{ url_for('qa.search') }}">
                        <input class="form-control mr-sm-2" type="search" placeholder="关键字" aria-label="Search"
                               name="q">
                        <button class="btn btn-outline-success my-2 my-sm-0" type="submit">搜索</button>
                    </form>
                </li>
            </ul>
        </div>
        <div class="collapse navbar-collapse" id="navbarSupportedContent">
            <ul class="navbar-nav mr-auto"></ul>
            <ul class="navbar-nav ">
                {% if user %}
                    <li class="nav-item active">
                        <span class="nav-link"> {{ user.username }}</span>
                    </li>
                    <li class="nav-item active">
                        <a class="nav-link" href='{{ url_for('user.logout') }}'>退出登录</a>
                    </li>
                {% else %}
                    <li class="nav-item active">
                        <a class="nav-link" href="{{ url_for("user.login") }}">登录</a>
                    </li>
                    <li class="nav-item active">
                        <a class="nav-link" href="{{ url_for("user.register") }}">注册</a>
                    </li>
                {% endif %}
            </ul>
        </div>
    </div>
</nav>
<div class="container">
    {% block body %}{% endblock %}
</div>
</body>
</html>